brakes BUICK RANDEZVOUS 2002 Owner's Manual

2-33
Ensure the shift lever is fully in PARK (P) before
starting the engine. Your vehicle has an automatic
transaxle shift lock control system. You have to fully
apply your regular brakes before you can shift from
PARK (P) when the ignition key is in ON. As you step
on the brake pedal, while in PARK (P), you may hear a
click from the solenoid of the system. This ensures that
the system is operating properly.
If you cannot shift out of PARK (P), ease pressure on
the shift lever
-- push the shift lever all the way into
PARK (P) as you maintain brake application. Then
move the shift lever into the gear you wish. See
ªShifting Out of PARK (P)º in this section for
more information.
CAUTION:
It is dangerous to get out of your vehicle if the
shift lever is not fully in PARK (P) with the
parking brake firmly set. Your vehicle can roll.
Don't leave your vehicle when the engine is
running unless you have to. If you have left the
engine running, the vehicle can move suddenly.
CAUTION: (Continued)
CAUTION: (Continued)
You or others could be injured. To be sure your
vehicle won't move, even when you're on fairly
level ground, always set your parking brake and
move the shift lever to PARK (P).
See ªShifting Into PARK (P)º in the Index.
If you're pulling a trailer, see ªTowing a Trailerº
in the Index.
REVERSE (R): Use this gear to back up.
NOTICE:
Shifting to REVERSE (R) while your vehicle is
moving forward could damage your transaxle.
Shift to REVERSE (R) only after your vehicle
is stopped.
To rock your vehicle back and forth to get out of snow,
ice or sand without damaging your transaxle, see
ªStuck: In Sand, Mud, Ice or Snowº in the Index.

2-36
SECOND (2): This position gives you more power, but
lower fuel economy. You can use SECOND (2) on hills.
It can help control your speed as you go down steep
mountain roads, but then you would also want to use
your brakes off and on.
NOTICE:
Don't drive in SECOND (2) for more than
25 miles (40 km), or at speeds over 55 mph
(90 km/h), or you can damage your transaxle.
Use THIRD (3) or AUTOMATIC
OVERDRIVE (D) as much as possible. Don't
shift into SECOND (2) unless you are going
slower than 65 mph (105 km/h) or you can
damage your engine.
FIRST (1): This position gives you even more power
(but lower fuel economy) than SECOND (2). You can
use it on very steep hills, or in deep snow or mud. If the
shift lever is put in FIRST (1), the transaxle won't
downshift into first gear until the vehicle is going
slow enough.
NOTICE:
If your front wheels can't rotate, don't try to
drive. This might happen if you were stuck in
very deep sand or mud or were up against a solid
object. You could damage your transaxle.
Also, if you stop when going uphill, don't hold
your vehicle there with only the accelerator
pedal. This could overheat and damage the
transaxle. Use your brakes or shift into PARK (P)
to hold your vehicle in position on a hill.

2-37
Parking Brake
To set the parking brake,
hold the regular brake pedal
down with your right foot
and push down on the
parking brake pedal with
your left foot.
If the ignition is on, the brake system warning light
will come on. See ªBrake System Warning Lightº in
the Index.To release the parking brake, hold the regular brake
pedal down with your right foot while you push down
on the parking brake pedal with your left foot. (To
release the tension on the parking brake cable, you will
need to apply about the same amount of pressure to the
parking brake pedal as you did when you set the parking
brake.) When you remove your foot from the parking
brake pedal, it will pop up to the released position.
NOTICE:
Driving with the parking brake on can cause
your rear brakes to overheat. You may have to
replace them, and you could also damage other
parts of your vehicle.
If you are towing a trailer and are parking on any hill,
see ªTowing a Trailerº in the Index. That section will
tell you what to do first to keep the trailer from moving.

2-40
Torque Lock
If you are parking on a hill and you don't shift your
transaxle into PARK (P) properly, the weight of the
vehicle may put too much force on the parking pawl in
the transaxle. You may find it difficult to pull the shift
lever out of PARK (P). This is called ªtorque lock.º To
prevent torque lock, set the parking brake and then shift
into PARK (P) properly before you leave the driver's
seat. To find out how, see ªShifting Into PARK (P)º in
the Index.
When you are ready to drive, move the shift lever out of
PARK (P) before you release the parking brake.
If torque lock does occur, you may need to have another
vehicle push yours a little uphill to take some of the
pressure from the parking pawl in the transaxle, so you
can pull the shift lever out of PARK (P).
Shifting Out of PARK (P)
Your vehicle has an automatic transaxle shift lock
control system. You have to fully apply your regular
brakes before you can shift from PARK (P), when the
ignition is in ON.
As you step on the brake pedal, while in PARK (P),
you may hear a click from the solenoid of the system.
This ensures that the system is operating properly.
See ªAutomatic Transaxle Operationº in the Index.
If you cannot shift out of PARK (P), ease pressure on
the shift lever by pushing the shift lever all the way into
PARK (P) as you maintain brake application. Then
move the shift lever into the gear you want. If you ever
hold the brake pedal down but still can't shift out of
PARK (P), try this:
1. Turn the ignition key to OFF.
2. Apply and hold the brake until the end of Step 4.
3. Shift to NEUTRAL (N).
4. Start the engine and then shift to the drive gear
you want.
5. Have the vehicle fixed as soon as you can.

2-88
Anti-Lock Brake System Warning Light
United States Canada
The anti
-lock brake system warning light should come
on for a few seconds when you turn the ignition key to
ON. If the anti
-lock brake system warning light stays on
longer than normal after you've started your engine, turn
the ignition off. Or, if the light comes on and stays on
when you're driving, stop as soon as possible and turn
the ignition off. Then start the engine again to reset the
system. If the light still stays on, or comes on again
while you're driving, the anti
-lock brake system needs
service and you don't have anti
-lock brakes.
The anti
-lock brake system warning light should come
on briefly when you turn the ignition key to ON. If the
light doesn't come on then, have it fixed so it will be
ready to warn you if there is a problem.
Traction Control System Warning Light
(If Equipped)
United States Canada
The traction control system warning light may come on
for the following reasons:

If you turn the system off by pressing the TRAC
OFF button located in the center console switchbank
the warning light will come on and stay on. To turn
the system back on, press the button again. The
warning light should go off. See ªTraction Control
Systemº in the Index for more information.

If there's an engine
-related and brake system problem
that is specifically related to traction control, the
traction control system will turn off and the warning
light will come on. If the brake system problem is
caused by the brakes beginning to overheat, the
brakes will need to cool down before the traction
control system warning light will turn off.

2-95
Message Center
The message center is located at the top of the
instrument panel cluster in between the tachometer and
speedometer. It gives you important safety and
maintenance facts.
Charging System Indicator Message
The charging system
battery symbol will come
on in the message center
when you turn on the
ignition as a check to
show you it is working.
It will remain on as long as the engine is not running. It
should go out once the engine is running. If it stays on,
or comes on while you are driving, you may have a
problem with the charging system. It could indicate that
you have problems with a generator drive belt, or
another electrical problem. Have it checked right away.
Driving while this indicator appears in the message
center could drain your battery.
If you must drive a short distance with the message on,
be certain to turn off all your accessories, such as the
radio and air conditioner.
Service Traction System Warning
Message (Option)
United States Canada
If your vehicle has the traction control system and this
message is displayed when you're driving, there may be
a problem with your traction control system. Your
vehicle may need service.
When this message is displayed, the traction control system
will not limit wheel spin. Adjust your driving accordingly.
If there's an engine
-related and brake system problem
that is specifically related to traction control, the traction
control system will turn off and the warning message
will come on. If the brake system problem is caused by
the brakes beginning to overheat, the brakes will need to
cool down before the traction control system warning
message will turn off.
If the traction control system warning message comes on
and stays on for an extended period of time when the
system is turned on, your vehicle needs service.

2-127
When the System Does Not Seem to Work Properly
The light will flash red when shifting into REVERSE (R)
if a trailer was attached to your vehicle, or a bicycle or an
object was on the back of, or hanging out of your liftgate
during your last drive cycle. The light will continue to
flash whenever in REVERSE (R), until your vehicle is
driven forward at least 15 mph (25 km/h) without any
obstructions behind the vehicle.It may also flash red if the ultrasonic sensors are not
kept clean. So be sure to keep your rear bumper free of
mud, dirt, snow, ice and slush or the system may not
work properly. Other conditions that may affect system
performance include things like the vibrations from a
jackhammer or the compression of air brakes on a very
large truck. If after cleaning the rear bumper and then
driving forward at least 15 mph (25 km/h), the display
continues to flash red, see your dealer.
As always, drivers should use care when backing up a
vehicle. Always look behind you, being sure to check
for other vehicles, obstructions and blind spots.
For cleaning instructions, see ªCleaning Your Vehicleº
in the Index.

4-7
Control of a Vehicle
You have three systems that make your vehicle go where
you want it to go. They are the brakes, the steering and
the accelerator. All three systems have to do their work
at the places where the tires meet the road.
Sometimes, as when you're driving on snow or ice, it's
easy to ask more of those control systems than the tires
and road can provide. That means you can lose control
of your vehicle. Also see ªTraction Control Systemº in
the Index.
Braking
Braking action involves perception time and
reaction time.
First, you have to decide to push on the brake pedal.
That's perception time. Then you have to bring up your
foot and do it. That's reaction time.
Average reaction time is about 3/4 of a second. But
that's only an average. It might be less with one driver
and as long as two or three seconds or more with
another. Age, physical condition, alertness, coordination
and eyesight all play a part. So do alcohol, drugs and
frustration. But even in 3/4 of a second, a vehicle
moving at 60 mph (100 km/h) travels 66 feet (20 m).
That could be a lot of distance in an emergency, so
keeping enough space between your vehicle and others
is important.
And, of course, actual stopping distances vary greatly
with the surface of the road (whether it's pavement or
gravel); the condition of the road (wet, dry, icy); tire
tread; the condition of your brakes; the weight of the
vehicle and the amount of brake force applied.

4-8
Avoid needless heavy braking. Some people drive in
spurts
-- heavy acceleration followed by heavy
braking
-- rather than keeping pace with traffic. This is a
mistake. Your brakes may not have time to cool between
hard stops. Your brakes will wear out much faster if you
do a lot of heavy braking. If you keep pace with the
traffic and allow realistic following distances, you will
eliminate a lot of unnecessary braking. That means
better braking and longer brake life.
If your engine ever stops while you're driving, brake
normally but don't pump your brakes. If you do, the
pedal may get harder to push down. If your engine
stops, you will still have some power brake assist. But
you will use it when you brake. Once the power assist is
used up, it may take longer to stop and the brake pedal
will be harder to push.
Anti-Lock Brake System (ABS)
Your vehicle has anti-lock brakes. ABS is an advanced
electronic braking system that will help prevent a
braking skid.
When you start your engine, or when you begin to drive
away, your anti
-lock brake system will check itself. You
may hear a momentary motor or clicking noise while
this test is going on, and you may even notice that your
brake pedal moves or pulses a little. This is normal.
United States Canada
If there's a problem with the anti
-lock brake system, this
warning light will stay on. See ªAnti
-Lock Brake
System Warning Lightº in the Index.

4-9
Let's say the road is wet and you're driving safely.
Suddenly, an animal jumps out in front of you. You slam
on the brakes and continue braking. Here's what
happens with ABS:
A computer senses that wheels are slowing down. If one
of the wheels is about to stop rolling, the computer will
separately work the brakes at each wheel.The anti
-lock system can change the brake pressure
faster than any driver could. The computer is
programmed to make the most of available tire and road
conditions. This can help you steer around the obstacle
while braking hard.
As you brake, your computer keeps receiving updates on
wheel speed and controls braking pressure accordingly.